Home / 2,239.82-3,090.93-1,245.05

Finding the Fourth Proportional to 2,239.82, 3,090.93 and 1,245.05

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Solution

The fourth proportional to 2,239.82, 3,090.93 and 1,245.05 is: 1,718.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,239.82 : 3,090.93 = 1,245.05 : x
  2. Step 2: Convert to fraction form
    2,239.82/3,090.93 = 1,245.05/x
  3. Step 3: Cross multiply
    2,239.82x = 3,090.93 × 1,245.05
  4. Step 4: Simplify right side
    2,239.82x = 3,848,362.40
  5. Step 5: Solve for x
    x = 3,848,362.40/2,239.82
  6. Step 6: Final answer
    x = 1,718.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.